GOOGLE Maps have found their way back to the iPhone, and the new alternative was already the top-ranking free app in Apple's iTunes store.

The world's most popular online mapping system returned late yesterday with the release of the Google Maps' iPhone app. The release comes nearly three months after Apple Inc. replaced Google Maps as the device's built-in navigation system and inserted its own maps into the latest version of its mobile operating system.

By noon Thursday in the US, users had chimed in with more than 10,000 reviews of the Google app. Nearly 90 per cent gave Google maps a five-star rating - the highest possible grade. Despite the quickly rising popularity, Google's solution still wasn't listed among the 18 recommended mapping apps in iTunes as of early Thursday afternoon.

Apple declined to comment about Google's map app, but it approved the technology before its release.

Apple's maps application proved to be far inferior to Google's, turning what was supposed to be a setback for Google into a vindication.

The product's shoddiness prompted Apple CEO Tim Cook to issue a rare public apology and recommend that iPhone owners consider using Google maps through a mobile web browser or seek other alternatives until his company could fix the problems. Cook also replaced the executive in charge of Apple's mobile operating system after the company's maps became a subject of widespread ridicule.

Among other things, Apple's maps misplaced landmarks, overlooked towns and sometimes got people horribly lost. In a particularly egregious example flagged this week, Australian police derided Apple's maps as "life-threatening" because the system was steering people looking for the city of Mildura into a sweltering, remote desert 71 kilometres from the desired destination.

Google Inc., by contrast, is hailing its new iPhone app as a major improvement from the one evicted by Apple.

Google's new iPhone mapping app also will offer its street-level photography of local neighbourhoods for the first time on Apple's mobile operating system, as well as three-dimensional views, public transit directions and listings for more than 80 million businesses around the world. The iPhone app still lacks some of the mapping features available on Android-powered phones, such as directions in malls and other buildings.

There still isn't a Google mapping app for Apple's top-selling tablet computer, the iPad, but the company plans to make one eventually. Google, which is based in Mountain View, California, declined to say when it hopes to release an iPad mapping app. For now, iPad owners can use the maps in an iPhone mode. That won't be the best experience, but it still may be better than Apple's maps on the iPad.

Footage of Google Maps for the iPhone 5 was quietly released on YouTube Thursday.

Google Maps previously came pre-loaded on Apple iPhones but Apple ditched the application, releasing its own, inferior product for the iPhone 5 after Google refused to provide voice navigation for the Apple Maps application.

The product was so inferior that it had mistakenly been leading people into a desolate, snake infested national park where it wrongly believed Mildura's city centre was located, according to Victoria Police.

Until now Google Maps was unavailable in the app store and consumers were forced to use it in their Safari browser - causing a slower and sometimes less effective result.

Google Maps product manager Nabil Naghdy told News Ltd that the app was built from scratch.

"The app has been rebuilt from the ground up," he said. "We've rethought every design and how that should be on a touch device."

"It's very different to how our Android app looks and it is custom assisted for IOS."

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